Re: Seeming Non-determinism in Java Programs

At 06:04 PM 4/6/2008, you wrote:
>...
>But as far as I know (and certainly as I intended), no class whose
>instances are stored in hashed structures rely on the default
>implementation of hashCode(). That implementation is only congruent
>with the default implementation of equals() as instance identity. I
>never overload one of those without overloading the other, so this
>should not be an explanation for what I'm seeing (thus leading to my
>perplexity).

if you have overridden hashCode and equals, make sure you are not
modifying any properties that change the hashcode after the object is
in the collection or map.

thanks

---
vice-chair http://ocjug.org/

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